DC and Switching Characteristics
Tables 4–10 to Tables 4–13 show the typical VOD for data rates from
600 Mbps to 3.125 Gbps. The specification is for measurement at the
package ball.
Table 4–10. Typical VOD Setting, TX Term = 100 Ω
VOD Setting (mV)
VccHTX = 1.5 V
400
600
800
1000
1200
VOD Typical (mV)
430
625
830
1020
1200
Table 4–11. Typical VOD Setting, TX Term = 100 Ω
V
OD Setting (mV)
VccHTX = 1.2 V
320
480
640
800
960
VOD Typical (mV)
344
500
664
816
960
Table 4–12. Typical Pre-Emphasis (First Post-Tap), Note (1)
VccHTX =
First Post Tap Pre-Emphasis Level
1.5 V
VOD Setting
1
2
3
4
5
(mV)
TX Term = 100 Ω
400
600
800
24%
62%
31%
20%
112%
56%
35%
23%
17%
184%
86%
53%
36%
25%
122%
73%
49%
35%
1000
1200
Note to Table 4–12:
(1) Applicable to data rates from 600 Mbps to 3.125 Gbps. Specification is for
measurement at the package ball.
Altera Corporation
May 2008
4–17
Arria GX Device Handbook, Volume 1
ALTERA [ ALTERA CORPORATION ]
